Based on this product's specifications, here are some alternatives and similar models
Open-end and box wrench Proxxon 22 mm PR23271 for mechanical and workshop use
Summary description:
Proxxon 22 mm combined open-end and box wrench (model PR23271) designed for tightening and loosening nuts and bolts in mechanical, automotive and workshop tasks. Compact single-size hand tool offering precise fit for 22 mm fasteners; suitable for assembly, maintenance and repair jobs where a dedicated 22 mm wrench is required.